Fastpen is an open source alternative to codepen that just stores the source code compressed, in the url.
JS Bin Alternatives
JS Bin is described as 'Collaborative open source JavaScript debugging tool. Enter Javascript in one pane and HTML in the other and see the result; share using a short URL. Choose popular JS libs from a menu, so you don't have to remember the URL' and is a popular Code Editor in the development category. There are more than 50 alternatives to JS Bin, not only websites but also apps for a variety of platforms, including Windows, Linux, Self-Hosted and Mac apps. The best JS Bin alternative is Pastebin.com, which is free. Other great sites and apps similar to JS Bin are Replit, CodePen, jsFiddle and JSPad.
Alternatives list
dabblet is an interactive playground for quickly testing snippets of CSS and HTML code. It uses -prefix-free, so that you won't have to add any prefixes in your CSS code. You can save your work in Github gists, embed it in other websites and share it with others.
Codewith.it is an online HTML, CSS and JavaScript code playground with realtime preview with many tools for developing web pages and advanced code analysis systems, with many assistance tools.
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A web-based IDE to teach programming in the classroom. Easily create and share exercises with students. Analyze and inspect students' submissions.
Cost / License
- Free
- Proprietary
Platforms
- Online
24 flems.io alternativesFlems is a playground for web development. It's ideal for prototyping ideas & sharing working front-end code examples.
Storm is an online web development environment which allows users to run HTML, CSS, Javascript code in real time in a secured environment. It supports sharing Scribble (Storm project) via a dedicated link and also allows users to use jQuery and React framework of JavaScript.
TIO is a family of online interpreters for an evergrowing list of practical and recreational programming languages.
Plunker is an online community for creating, collaborating on and sharing your web development ideas.
19 PLAYCODE alternativesMake Awesome Web Things, Demos, Apps with html, css, javascript in online code editor.
Slingcode is a personal computing platform in a single html file. You can make, run, and share web apps with it. You don't need any complicated tools to use it, just a web browser. You don't need a server, hosting, or an SSL certificate to run the web apps.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Online
- Self-Hosted
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